Video Lesson

Subject
Biology

Description of the video lesson
Students will be able to define predator and prey. They will be able to explain the relationship between predator and prey and the importance of adaptation.

Level of English
Basic English grammar and vocabulary.

Pre-requisites
Students should have basic English skills and some biology terminology.
What do we already know?
An ecosystem is a complex network or web of interrelated and interdependent animals and plants within a common environment.
Many organisms in the environment rely on other organisms for food.
The feeding relationships between organisms can be shown in simple diagrams called Food Chains
Food webs show a more complex series of food chains with common links

Language aims
The students should be able to see the use and meaning of several keywords:
ECOSYSTEM
INTER-RELATED
INTERDEPENDENT
ORGANISMS
ENVIRONMENT
RELATIONSHIPS

FOOD CHAINS
COMPLEX
FOOD WEBS
PREDATORS
PREY
PREDATOR
HERBIVORE
CARNIVORE
FLESH
SURVIVE
SCAVENGER
CARCASS
HABITATS
SPECIES
EVOLVED
ADAPTATION
PREY
CAMOUFLAGE
To PREY
PREDATORIAL
NUTRIENTS
HUNT
AMBUSH
STALK
ESCAPE
SIGNAL
FREEZE
FLUCTUATE
DECLINE
VARIETY
BEHAVIOUR
ADAPTATION
SURVIVE

Subject aims
The video aims to add more depth to previous studies of feeding relationships.

Students' Difficulties
This topic is not particularly difficult for students as many of them will naturally be interested in the world of animals.

Students' Skills
The students should be able to describe the topic in some depth.

Teaching Resources